143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/*
|
|
* Copyright © 2011 Google, Inc.
|
|
*
|
|
* This is part of HarfBuzz, a text shaping library.
|
|
*
|
|
* Permission is hereby granted, without written agreement and without
|
|
* license or royalty fees, to use, copy, modify, and distribute this
|
|
* software and its documentation for any purpose, provided that the
|
|
* above copyright notice and the following two paragraphs appear in
|
|
* all copies of this software.
|
|
*
|
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
|
|
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
|
|
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
|
|
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
|
* DAMAGE.
|
|
*
|
|
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
|
|
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
|
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
|
|
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
*
|
|
* Google Author(s): Behdad Esfahbod
|
|
*/
|
|
|
|
#include "hb-test.h"
|
|
|
|
/* Unit tests for hb-shape.h */
|
|
|
|
|
|
static const char test_data[] = "test\0data";
|
|
|
|
static void
|
|
glyph_advance_func (hb_font_t *font, void *font_data,
|
|
hb_codepoint_t glyph,
|
|
hb_position_t *x_advance, hb_position_t *y_advance,
|
|
void *user_data)
|
|
{
|
|
switch (glyph) {
|
|
case 1: *x_advance = 10; return;
|
|
case 2: *x_advance = 6; return;
|
|
case 3: *x_advance = 5; return;
|
|
}
|
|
}
|
|
|
|
static hb_bool_t
|
|
glyph_func (hb_font_t *font, void *font_data,
|
|
hb_codepoint_t unicode, hb_codepoint_t variant_selector,
|
|
hb_codepoint_t *glyph,
|
|
void *user_data)
|
|
{
|
|
switch (unicode) {
|
|
case 'T': *glyph = 1; return TRUE;
|
|
case 'e': *glyph = 2; return TRUE;
|
|
case 's': *glyph = 3; return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
kerning_func (hb_font_t *font, void *font_data,
|
|
hb_codepoint_t left, hb_codepoint_t right,
|
|
hb_position_t *x_kern, hb_position_t *y_kern,
|
|
void *user_data)
|
|
{
|
|
if (left == 1 && right == 2) {
|
|
*x_kern = -2;
|
|
}
|
|
}
|
|
|
|
static const char TesT[] = "TesT";
|
|
|
|
static void
|
|
test_shape (void)
|
|
{
|
|
hb_blob_t *blob;
|
|
hb_face_t *face;
|
|
hb_font_funcs_t *ffuncs;
|
|
hb_font_t *font;
|
|
hb_buffer_t *buffer;
|
|
unsigned int len;
|
|
hb_glyph_info_t *glyphs;
|
|
hb_glyph_position_t *positions;
|
|
|
|
blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
|
|
face = hb_face_create (blob, 0);
|
|
hb_blob_destroy (blob);
|
|
font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
hb_font_set_scale (font, 10, 10);
|
|
|
|
ffuncs = hb_font_funcs_create ();
|
|
hb_font_funcs_set_glyph_advance_func (ffuncs, glyph_advance_func, NULL, NULL);
|
|
hb_font_funcs_set_glyph_func (ffuncs, glyph_func, NULL, NULL);
|
|
hb_font_funcs_set_kerning_func (ffuncs, kerning_func, NULL, NULL);
|
|
hb_font_set_funcs (font, ffuncs, NULL, NULL);
|
|
hb_font_funcs_destroy (ffuncs);
|
|
|
|
buffer = hb_buffer_create (0);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_buffer_add_utf8 (buffer, TesT, 4, 0, 4);
|
|
|
|
hb_shape (font, buffer, NULL, 0);
|
|
|
|
len = hb_buffer_get_length (buffer);
|
|
glyphs = hb_buffer_get_glyph_infos (buffer, NULL);
|
|
positions = hb_buffer_get_glyph_positions (buffer, NULL);
|
|
|
|
{
|
|
const hb_codepoint_t output_glyphs[] = {1, 2, 3, 1};
|
|
const hb_position_t output_x_advances[] = {9, 5, 5, 10};
|
|
const hb_position_t output_x_offsets[] = {0, -1, 0, 0};
|
|
unsigned int i;
|
|
g_assert_cmpint (len, ==, 4);
|
|
for (i = 0; i < len; i++) {
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, output_glyphs[i]);
|
|
g_assert_cmphex (glyphs[i].cluster, ==, i);
|
|
}
|
|
for (i = 0; i < len; i++) {
|
|
g_assert_cmpint (output_x_advances[i], ==, positions[i].x_advance);
|
|
g_assert_cmpint (output_x_offsets [i], ==, positions[i].x_offset);
|
|
g_assert_cmpint (0, ==, positions[i].y_advance);
|
|
g_assert_cmpint (0, ==, positions[i].y_offset);
|
|
}
|
|
}
|
|
|
|
hb_buffer_destroy (buffer);
|
|
hb_font_destroy (font);
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
hb_test_init (&argc, &argv);
|
|
|
|
hb_test_add (test_shape);
|
|
|
|
return hb_test_run();
|
|
}
|